NDDOT VSL
Status: Planned
Description: NDDOT variable speed limit system
Stakeholders
| Stakeholder | Role | Role Status |
|---|---|---|
| NDDOT Districts | Owns | Planned |
Physical Objects
| ITS Roadway Equipment |
|---|
| Connected Vehicle Roadside Equipment |
Functional Objects
| Functional Object | Description | User Defined |
|---|---|---|
| Roadway Variable Speed Limits | 'Roadway Variable Speed Limits' includes the field equipment, physical overhead lane signs and associated control electronics that are used to manage and control variable speed limits systems. This equipment monitors traffic and environmental conditions along the roadway. The system can be centrally monitored and controlled by a Traffic Management Center or it can be autonomous, calculating and setting suitable speed limits, usually by lane. This application displays the speed limits and additional information such as basic safety rules and current traffic information to drivers. | False |
Physical Standards
| Document Number | Title | Description |
|---|---|---|
| ITE ATC 5301 | Intelligent Transportation System Standard Specification for Roadside Cabinets | This standard specifies the characteristics of a modern controller cabinet for the ITS industry. |
| NEMA TS 8 | Cyber and Physical Security for Intelligent Transportation Systems | This specification describes how agencies and other transportation infrastructure owner/operators should implement cyber– and physical–security for ITS. |
| USDOT RSU | Dedicated Short–Range Communications Roadside Unit Specifications (FHWA–JPO–17–589) | This document will specify the requirements for roadside units (RSU) to serve as a network edge device for 5.9GHz DSRC infrastructure. |
Interfaces To
| Driver |
|---|
| NDDOT District Traffic |